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Finding the Fourth Proportional to 5,662.69, 8,481.10 and 2,703.21

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Solution

The fourth proportional to 5,662.69, 8,481.10 and 2,703.21 is: 4,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.69 : 8,481.10 = 2,703.21 : x
  2. Step 2: Convert to fraction form
    5,662.69/8,481.10 = 2,703.21/x
  3. Step 3: Cross multiply
    5,662.69x = 8,481.10 × 2,703.21
  4. Step 4: Simplify right side
    5,662.69x = 22,926,180.81
  5. Step 5: Solve for x
    x = 22,926,180.81/5,662.69
  6. Step 6: Final answer
    x = 4,048.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.